A measure of the useful energy produced divided by the amount of energy it takes to obtain it, is known as ________
A) a measure of secondary energy
B) a measure of intrinsic value
C) the proven reserves
D) the energy conversion efficiency
E) the energy return on investment (EROI)
E
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Which of the following statements is FALSE concerning hydrothermal vents??
A) ?They are typically found in shallow waters near subduction zones. B) ?Certain animals are found at hydrothermal vents such as tube worms. C) ?Hydrothermal vents are typically found associated with spreading centers. D) ?Vent waters cool as they are released from the vent.
Describing Pike's Peak as being located 36 kilometers (22 mi) west of Colorado Springs is an example of a(n):
a. global address b. absolute location c. relative location d. geospatial address
Why do clouds tend to reduce temperature during the day but increase temperatures at night??
What will be the ideal response?
Plutonium is
A. radioactive. B. chemically toxic to humans. C. fissionable. D. All of the choices are correct.